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# frozen_string_literal: true
require "helper"
class Nokogiri::SAX::TestCase
describe Nokogiri::XML::SAX::Parser do
let(:parser) { Nokogiri::XML::SAX::Parser.new(Doc.new) }
it :test_parser_context_yielded_io do
doc = Doc.new
parser = Nokogiri::XML::SAX::Parser.new(doc)
xml = "<foo a='&b'/>"
block_called = false
parser.parse(StringIO.new(xml)) do |ctx|
block_called = true
ctx.replace_entities = true
end
assert(block_called)
assert_equal([["foo", [["a", "&b"]]]], doc.start_elements)
end
it :test_parser_context_yielded_in_memory do
doc = Doc.new
parser = Nokogiri::XML::SAX::Parser.new(doc)
xml = "<foo a='&b'/>"
block_called = false
parser.parse(xml) do |ctx|
block_called = true
ctx.replace_entities = true
end
assert(block_called)
assert_equal([["foo", [["a", "&b"]]]], doc.start_elements)
end
it :test_empty_decl do
parser = Nokogiri::XML::SAX::Parser.new(Doc.new)
xml = "<root />"
parser.parse(xml)
assert(parser.document.start_document_called)
assert_nil(parser.document.xmldecls)
end
it :test_xml_decl do
[
['<?xml version="1.0" ?>', ["1.0"]],
['<?xml version="1.0" encoding="UTF-8" ?>', ["1.0", "UTF-8"]],
['<?xml version="1.0" standalone="yes"?>', ["1.0", "yes"]],
['<?xml version="1.0" standalone="no"?>', ["1.0", "no"]],
['<?xml version="1.0" encoding="UTF-8" standalone="no"?>', ["1.0", "UTF-8", "no"]],
['<?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?>', ["1.0", "ISO-8859-1", "yes"]],
].each do |decl, value|
parser = Nokogiri::XML::SAX::Parser.new(Doc.new)
xml = "#{decl}\n<root />"
parser.parse(xml)
assert(parser.document.start_document_called)
assert_equal(value, parser.document.xmldecls)
end
end
it :test_parse_empty do
assert_raises(RuntimeError) do
parser.parse("")
end
end
it "handles invalid types gracefully" do
assert_raises(TypeError) { Nokogiri::XML::SAX::Parser.new.parse(0xcafecafe) }
assert_raises(TypeError) { Nokogiri::XML::SAX::Parser.new.parse_memory(0xcafecafe) }
assert_raises(TypeError) { Nokogiri::XML::SAX::Parser.new.parse_io(0xcafecafe) }
end
it :test_namespace_declaration_order_is_saved do
parser.parse(<<~EOF)
<root xmlns:foo='http://foo.example.com/' xmlns='http://example.com/'>
<a foo:bar='hello' />
</root>
EOF
assert_equal(2, parser.document.start_elements_namespace.length)
el = parser.document.start_elements_namespace.first
namespaces = el.last
assert_equal(["foo", "http://foo.example.com/"], namespaces.first)
assert_equal([nil, "http://example.com/"], namespaces.last)
end
it :test_bad_document_calls_error_handler do
parser.parse("<foo><bar></foo>")
assert(parser.document.errors)
refute_empty(parser.document.errors)
end
it :test_namespace_are_super_fun_to_parse do
parser.parse(<<~EOF)
<root xmlns:foo='http://foo.example.com/'>
<a foo:bar='hello' />
<b xmlns:foo='http://bar.example.com/'>
<a foo:bar='hello' />
</b>
<foo:bar>hello world</foo:bar>
</root>
EOF
refute_empty(parser.document.start_elements_namespace)
el = parser.document.start_elements_namespace[1]
assert_equal("a", el.first)
assert_equal(1, el[1].length)
attribute = el[1].first
assert_equal("bar", attribute.localname)
assert_equal("foo", attribute.prefix)
assert_equal("hello", attribute.value)
assert_equal("http://foo.example.com/", attribute.uri)
end
it :test_sax_v1_namespace_attribute_declarations do
parser.parse(<<~EOF)
<root xmlns:foo='http://foo.example.com/' xmlns='http://example.com/'>
<a foo:bar='hello' />
<b xmlns:foo='http://bar.example.com/'>
<a foo:bar='hello' />
</b>
<foo:bar>hello world</foo:bar>
</root>
EOF
refute_empty(parser.document.start_elements)
elm = parser.document.start_elements.first
assert_equal("root", elm.first)
assert_includes(elm[1], ["xmlns:foo", "http://foo.example.com/"])
assert_includes(elm[1], ["xmlns", "http://example.com/"])
end
it :test_sax_v1_namespace_nodes do
parser.parse(<<~EOF)
<root xmlns:foo='http://foo.example.com/' xmlns='http://example.com/'>
<a foo:bar='hello' />
<b xmlns:foo='http://bar.example.com/'>
<a foo:bar='hello' />
</b>
<foo:bar>hello world</foo:bar>
</root>
EOF
assert_equal(5, parser.document.start_elements.length)
assert_includes(parser.document.start_elements.map(&:first), "foo:bar")
assert_includes(parser.document.end_elements.map(&:first), "foo:bar")
end
it :test_start_is_called_without_namespace do
parser.parse(<<~EOF)
<root xmlns:foo='http://foo.example.com/' xmlns='http://example.com/'>
<foo:f><bar></foo:f>
</root>
EOF
assert_equal(
["root", "foo:f", "bar"],
parser.document.start_elements.map(&:first)
)
end
it :test_parser_sets_encoding do
parser = Nokogiri::XML::SAX::Parser.new(Doc.new, "UTF-8")
assert_equal("UTF-8", parser.encoding)
end
it :test_errors_set_after_parsing_bad_dom do
doc = Nokogiri::XML("<foo><bar></foo>")
assert(doc.errors)
parser.parse("<foo><bar></foo>")
assert(parser.document.errors)
refute_empty(parser.document.errors)
doc.errors.each do |error|
assert_equal("UTF-8", error.message.encoding.name)
end
# when using JRuby Nokogiri, more errors will be generated as the DOM
# parser continue to parse an ill formed document, while the sax parser
# will stop at the first error
unless Nokogiri.jruby?
assert_equal(doc.errors.length, parser.document.errors.length)
end
end
it :test_parse_with_memory_argument do
parser.parse(File.read(XML_FILE))
refute_empty(parser.document.cdata_blocks)
end
it :test_parse_with_io_argument do
File.open(XML_FILE, "rb") do |f|
parser.parse(f)
end
refute_empty(parser.document.cdata_blocks)
end
it :test_parse_io do
call_parse_io_with_encoding("UTF-8")
end
# issue #828
it :test_parse_io_lower_case_encoding do
call_parse_io_with_encoding("utf-8")
end
def call_parse_io_with_encoding(encoding)
File.open(XML_FILE, "rb") do |f|
parser.parse_io(f, encoding)
end
refute_empty(parser.document.cdata_blocks)
called = false
parser.document.start_elements.flatten.each do |thing|
assert_equal("UTF-8", thing.encoding.name)
called = true
end
assert(called)
called = false
parser.document.end_elements.flatten.each do |thing|
assert_equal("UTF-8", thing.encoding.name)
called = true
end
assert(called)
called = false
parser.document.data.each do |thing|
assert_equal("UTF-8", thing.encoding.name)
called = true
end
assert(called)
called = false
parser.document.comments.flatten.each do |thing|
assert_equal("UTF-8", thing.encoding.name)
called = true
end
assert(called)
called = false
parser.document.cdata_blocks.flatten.each do |thing|
assert_equal("UTF-8", thing.encoding.name)
called = true
end
assert(called)
end
it :test_parse_file do
parser.parse_file(XML_FILE)
assert_raises(ArgumentError) do
parser.parse_file(nil)
end
assert_raises(Errno::ENOENT) do
parser.parse_file("")
end
assert_raises(Errno::EISDIR) do
parser.parse_file(File.expand_path(File.dirname(__FILE__)))
end
end
it :test_render_parse_nil_param do
assert_raises(TypeError) { parser.parse_memory(nil) }
end
it :test_bad_encoding_args do
assert_raises(ArgumentError) { Nokogiri::XML::SAX::Parser.new(Doc.new, "not an encoding") }
assert_raises(ArgumentError) { parser.parse_io(StringIO.new("<root/>"), "not an encoding") }
end
it :test_ctag do
parser.parse_memory(<<~EOF)
<p id="asdfasdf">
<![CDATA[ This is a comment ]]>
Paragraph 1
</p>
EOF
assert_equal([" This is a comment "], parser.document.cdata_blocks)
end
it :test_comment do
parser.parse_memory(<<~EOF)
<p id="asdfasdf">
<!-- This is a comment -->
Paragraph 1
</p>
EOF
assert_equal([" This is a comment "], parser.document.comments)
end
it :test_characters do
parser.parse_memory(<<~EOF)
<p id="asdfasdf">Paragraph 1</p>
EOF
assert_equal(["Paragraph 1"], parser.document.data)
end
it :test_end_document do
parser.parse_memory(<<~EOF)
<p id="asdfasdf">Paragraph 1</p>
EOF
assert(parser.document.end_document_called)
end
it :test_end_element do
parser.parse_memory(<<~EOF)
<p id="asdfasdf">Paragraph 1</p>
EOF
assert_equal([["p"]], parser.document.end_elements)
end
it :test_start_element_attrs do
parser.parse_memory(<<~EOF)
<p id="asdfasdf">Paragraph 1</p>
EOF
assert_equal([["p", [["id", "asdfasdf"]]]], parser.document.start_elements)
end
it :test_start_element_attrs_include_namespaces do
parser.parse_memory(<<~EOF)
<p xmlns:foo='http://foo.example.com/'>Paragraph 1</p>
EOF
assert_equal(
[["p", [["xmlns:foo", "http://foo.example.com/"]]]],
parser.document.start_elements
)
end
it :test_processing_instruction do
parser.parse_memory(<<~EOF)
<?xml-stylesheet href="a.xsl" type="text/xsl"?>
<?xml version="1.0"?>
EOF
assert_equal(
[["xml-stylesheet", 'href="a.xsl" type="text/xsl"']],
parser.document.processing_instructions
)
end
it :test_parse_document do
skip_unless_libxml2("JRuby SAXParser only parses well-formed XML documents")
parser.parse_memory(<<~EOF)
<p>Paragraph 1</p>
<p>Paragraph 2</p>
EOF
end
it :test_parser_attributes do
xml = <<~EOF
<?xml version="1.0" ?><root><foo a="&b" c=">d" /></root>
EOF
block_called = false
parser.parse(xml) do |ctx|
block_called = true
ctx.replace_entities = true
end
assert(block_called)
assert_equal(
[["root", []], ["foo", [["a", "&b"], ["c", ">d"]]]], parser.document.start_elements
)
end
it :test_recovery_from_incorrect_xml do
xml = <<~EOF
<?xml version="1.0" ?><Root><Data><?xml version='1.0'?><Item>hey</Item></Data><Data><Item>hey yourself</Item></Data></Root>
EOF
block_called = false
parser.parse(xml) do |ctx|
block_called = true
ctx.recovery = true
end
assert(block_called)
assert_equal(
[["Root", []], ["Data", []], ["Item", []], ["Data", []], ["Item", []]],
parser.document.start_elements
)
end
it :test_square_bracket_in_text do
# issue 1261
xml = <<~EOF
<tu tuid="87dea04cf60af103ff09d1dba36ae820" segtype="block">
<prop type="x-smartling-string-variant">en:#:home_page:#:stories:#:[6]:#:name</prop>
<tuv xml:lang="en-US"><seg>Sandy S.</seg></tuv>
</tu>
EOF
parser.parse(xml)
assert_includes(parser.document.data, "en:#:home_page:#:stories:#:[6]:#:name")
end
it :test_large_cdata_is_handled do
skip("see #2132 and https://gitlab.gnome.org/GNOME/libxml2/-/issues/200") if Nokogiri::VersionInfo.instance.libxml2_using_system?
template = <<~EOF
<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns="http://example.com">
<soapenv:Header>
<AuthHeader xsi:type="ns:vAuthHeader">
<userName xsi:type="xsd:string">gorilla</userName>
<password xsi:type="xsd:string">secret</password>
</AuthHeader>
</soapenv:Header>
<soapenv:Body>
<ns:checkToken soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<checkToken xsi:type="xsd:string"><![CDATA[%s]]></checkToken>
</ns:checkToken>
</soapenv:Body>
</soapenv:Envelope>
EOF
factor = 10
huge_data = "a" * (1024 * 1024 * factor)
xml = StringIO.new(template % huge_data)
handler = Nokogiri::SAX::TestCase::Doc.new
parser = Nokogiri::XML::SAX::Parser.new(handler)
parser.parse(xml)
if Nokogiri.uses_libxml?(">=2.10.3")
# CVE-2022-40303 https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986
assert_match(/CData section too big/, handler.errors.first)
else
assert_predicate(handler.errors, :empty?)
end
end
it "does not resolve entities by default" do
xml = <<~EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE doc [
<!ENTITY local SYSTEM "file:///#{File.expand_path(__FILE__)}">
<!ENTITY custom "resolved>
]>
<doc><foo>&local;</foo><foo>&custom;</foo></doc>
EOF
doc = Doc.new
parser = Nokogiri::XML::SAX::Parser.new(doc)
parser.parse(xml)
assert_nil(doc.data)
end
it "does not resolve network external entities by default" do
xml = <<~EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE doc [
<!ENTITY remote SYSTEM "http://0.0.0.0:8080/evil.dtd">
]>
<doc><foo>&remote;</foo></doc>
EOF
doc = Doc.new
parser = Nokogiri::XML::SAX::Parser.new(doc)
parser.parse(xml)
assert_nil(doc.data)
end
end
end
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